diff --git a/configs/andes_ae350_45_defconfig b/configs/andes_ae350_45_defconfig
index 21b2d01a9a..a60c4b25a0 100644
--- a/configs/andes_ae350_45_defconfig
+++ b/configs/andes_ae350_45_defconfig
@@ -1,6 +1,7 @@
 BR2_riscv=y
 BR2_riscv_custom=y
 BR2_RISCV_ISA_RVM=y
+BR2_RISCV_ISA_RVA=y
 BR2_RISCV_ISA_RVF=y
 BR2_RISCV_ISA_RVD=y
 BR2_RISCV_ISA_RVC=y